Li, Fan
Yang, Qiao
Yi, Jinrong
Chen, Aiqiong
Article History
Received: 16 December 2022
Accepted: 13 January 2023
First Online: 9 March 2023
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. All subjects was approved by Ganzhou Maternal and Child Health Hospital. Written informed consent was obtained from each subject.
: All authors approved the final manuscript and agreed to publish.
: The authors have no conflicts of interest to declare.